diff --git a/libpth.spec b/libpth.spec
index 0aed171..290dadc 100644
--- a/libpth.spec
+++ b/libpth.spec
@@ -1,6 +1,6 @@
 Name:          libpth
 Version:       2.0.7
-Release:       3mamba
+Release:       4mamba
 Summary:       GNU Pth - The GNU Portable Threads Library
 Group:         System/Libraries
 Vendor:        openmamba
@@ -9,6 +9,10 @@ Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
 URL:           http://www.gnu.org/software/pth/
 Source:        ftp://ftp.gnu.org/gnu/pth/pth-%{version}.tar.gz
 License:       GPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: ldconfig
+## AUTOBUILDREQ-END
 BuildRoot:     %{_tmppath}/%{name}-%{version}-root
 
 %description
@@ -36,11 +40,15 @@ Additionally Pth provides an optional emulation API for POSIX.1c threads ("Pthre
 
 This package contains static libraries and header files need for development.
 
+%debug_package
+
 %prep
 %setup -q -n pth-%{version}
+sed -i "s,| arm-\*  |,| aarch64-\* | arm-\*  |," config.sub
 
 %build
 %configure
+
 %make -j1
 
 %install
@@ -56,7 +64,8 @@ This package contains static libraries and header files need for development.
 %files
 %defattr(-,root,root)
 %{_libdir}/libpth.so.*
-%doc AUTHORS COPYING ChangeLog NEWS README THANKS
+%doc AUTHORS COPYING
+#ChangeLog NEWS README THANKS
 
 %files devel
 %defattr(-,root,root)
@@ -70,6 +79,9 @@ This package contains static libraries and header files need for development.
 %{_mandir}/man3/pth.*
 
 %changelog
+* Fri Nov 27 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 2.0.7-4mamba
+- rebuilt with debug package
+
 * Fri Sep 06 2013 Automatic Build System <autodist@mambasoft.it> 2.0.7-3mamba
 - automatic rebuild by autodist